Home / 52,745.91-72,789.38-28,873.10

Finding the Fourth Proportional to 52,745.91, 72,789.38 and 28,873.10

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Solution

The fourth proportional to 52,745.91, 72,789.38 and 28,873.10 is: 39,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.91 : 72,789.38 = 28,873.10 : x
  2. Step 2: Convert to fraction form
    52,745.91/72,789.38 = 28,873.10/x
  3. Step 3: Cross multiply
    52,745.91x = 72,789.38 × 28,873.10
  4. Step 4: Simplify right side
    52,745.91x = 2,101,655,047.68
  5. Step 5: Solve for x
    x = 2,101,655,047.68/52,745.91
  6. Step 6: Final answer
    x = 39,844.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.